72 Diagnostics
WAGO-I/O-SYSTEM
750
750-657 IO-Link Master
Manual
Version 1.0.2, valid from FW/HW-Version 02/01
Table 32: Event codes of the IO-Link master
Description
Particular behavior of the
I/O module
Code
(hex)
Type Mode
PB
Error
Code Possible cause(s)
Possible response(s)
1. Process data width of the
attached device is greater than
the associated segment in the
internal bus process data.
2. SIO byte and port segment
have a size of 0 and port is in
DI, DO or SIO operating
mode.
8CC7 W Single
-
1. Change segment size to
process data width.
2. Change SIO byte to length 1.
If a port-specific diagnosis is
disabled, this event appears.
8CC8 N Single
-
New IO-Link device
connected.
FF21 N Single -
IO-Link connection
interrupted.
FF22 N Single -
Device removed or connection
error
Check connection if
disconnection unintended.
No detailed information
available about device.
FF80 N Single -
Type N Notification
Type W Warning
Type E Error